00304nas a2200109   4500000000100000008004100001100001900042700001400061245005800075250001500133020004600148       2012                            d1 aWilliams Chris1 aKamper S.00aThe placebo effect: powerful, powerless or redundant?  a2012/08/16  a1473-0480 (Electronic)0306-3674 (Linking)